in the new year. no one knows whether a newtown change the collective appetite for guns in civilian hands or not, but the battle for gun control could be a long, drawn out affair with dangers for politicians on both sides. al jazeera. >> a senior mexican official has announced he is quitting. he is -- he has rejected allegations that after 23 years of service -- he faced strong criticism following a shootout in june in a mexico city airport. he says the charges are empty and unfounded.